常用组件、容器、与布局

import java.awt.*;
import javax.swing.*;
public class zujian extends JFrame{
	JTextField text;
	JButton button;
	JCheckBox checkBox1,checkBox2,checkBox3;
	JRadioButton radio1,radio2;
	ButtonGroup group;
	JComboBox comBox;
	JTextArea area;
	public zujian(){
		init();
		setVisible(true);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);		
	}
	void init(){
		setLayout(new FlowLayout());
		JLabel biaoqian=new JLabel("文本框:");
		add(biaoqian);
		text=new JTextField(10);
		add(text);
		button=new JButton("确定");
		add(button);
		checkBox1=new JCheckBox("喜欢音乐");
		checkBox2=new JCheckBox("喜欢旅游");
		checkBox3=new JCheckBox("喜欢篮球");
		add(checkBox1);
		add(checkBox2);
		add(checkBox3);
		group=new ButtonGroup();
		radio1=new JRadioButton("帅哥");
		radio2=new JRadioButton("美女");
		group.add(radio1);
		group.add(radio2);
		add(radio1);
		add(radio2);
	    comBox = new JComboBox();
		comBox.addItem("音乐天地");
		comBox.addItem("武术天地");
		comBox.addItem("象棋乐园");
		add(comBox);
		area=new JTextArea(6,12);
		add(new JScrollPane(area));		
	}
	public static void main(String args[]){
		zujian win=new zujian();
		win.setBounds(100,100,300,260);
		win.setTitle("常用组件");
	}
}